Current Biodegradable News and Events

Current Biodegradable News and Events, Biodegradable News Articles.
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Targeted delivery of highly toxic anti-cancer drug to brain tumors
University of Houston biomedical researcher Sheeren Majd is reporting the development and testing of a new nano-carrier as a potential treatment to deliver highly toxic medicine to glioblastomas, the most common and aggressive form of primary brain tumors. (2021-02-23)

Biotechnologists developed an effective technology for nutrient biocapture from wastewater
Biotechnologists from RUDN University in collaboration with Lomonosov MSU and Kurchatov institute made an important contribution to the technology of phosphate and nitrate biocapture from wastewater using Lobosphaera algae fixed on the filters.The biomass obtained in the course of this process can be used as a fertilizer. (2021-02-19)

Hydrogel promotes wound healing better than traditional bandages, gauzes
For explosion wounds as well as some incurred in disasters and accidents, severe hemorrhage is a leading cause of death. Hydrogel dressings, which have advanced in recent years, may help; they are good at promoting wound healing and can better meet the demands of different situations. Many are antibacterial, biodegradable, responsive, and injectable and can fill irregularly shaped wounds. In APL Bioengineering, researchers in China examine some of the recent advances. (2021-02-16)

Get a load of ZIF! Better delivery of cancer immunotherapy
An antibody loaded onto a porous metal organic framework is released by the acidic environment that surrounds tumors, avoiding the adverse effects of administering the antibody alone. (2021-02-11)

Bernese researchers create sophisticated lung-on-chip
In collaboration with clinical partners from the Inselspital, researchers from the ARTORG Center for Biomedical Research of the University of Bern have developed a second-generation lung-on-chip model with life-size dimension alveoli in a stretchable membrane, made of purely biological material. The new model reproduces key aspects of the lung tissue architecture not found in previous lungs-on-chip. This opens up new possibilities for basic pneumological research, understanding lung pathologies, drug screening and precision medicine. (2021-02-08)

Scientists extract pigments from algae for food supplements
In the framework of the Chlorella microalgae cultivation process, the researchers obtained microalgae biomass with a high content of carotenoid pigments, which is suitable for the food industry through targeted cultivation. (2021-02-04)

3D-printed bioresorbable airway stent
An ETH Zurich research team is using 3D printing to produce a new type of bioresorbable airway stent. This could greatly simplify the future treatment of upper airway obstruction. (2021-02-03)

Biodegradable displays for sustainable electronics
Increasing use of electronic devices in consumables and new technologies for the internet of things are increasing the amount of electronic scrap. To save resources and minimize waste volumes, an eco-friendlier production and more sustainable lifecycle will be needed. Scientists of KIT have now been the first to produce displays, whose biodegradability has been checked and certified by an independent office. The results are reported in the Journal of Materials Chemistry. (DOI: 10.1039/d0tc04627b) (2021-01-26)

Breathing easier with a better tracheal stent
New research led by the University of Pittsburgh is poised to drastically improve the use of tracheal stents for children with airway obstruction. Researchers demonstrate for the first time the successful use of a completely biodegradable magnesium-alloy tracheal stent that safely degrades and does not require removal. (2021-01-15)

New nanobiomaterial from the silk of a mite with 'promising biomedical properties'
An international team of researchers has developed a new nanomaterial from the silk produced by the Tetranychus lintearius mite. This nanomaterial has the ability to penetrate human cells without damaging them and, therefore, has ''promising biomedical properties''. (2020-12-17)

Researchers develop new combined process for 3D printing
Chemists at Martin Luther University Halle-Wittenberg (MLU) have developed a way to integrate liquids directly into materials during the 3D printing process. This allows, for example, active medical agents to be incorporated into pharmaceutical products or luminous liquids to be integrated into materials, which allow monitoring of damage. The study was published in ''Advanced Materials Technologies''. (2020-12-16)

Industrial waste is reused to produce alternatives to plastic
Researchers at São Paulo State University reused bacterial cellulose scraps usually thrown away by manufacturers of wound dressings to make strong biodegradable film for food packaging (2020-12-14)

Salt-tolerant bacteria with an appetite for sludge make biodegradable plastics
The United States generates seven million tons of sewage sludge annually, enough to fill 2,500 Olympic-sized swimming pools. While a portion of this waste is repurposed for manure and other land applications, a substantial amount is still disposed of in landfills. In a new study, Texas A&M University researchers have uncovered an efficient way to use leftover sludge to make biodegradable plastics. (2020-12-14)

The pesticides in contact with plastics for mulch take longer to degrade
A study within the Diverfarming project analyses the interactions between 38 pesticides and three types of plastic for mulch (2020-12-09)

TPU scientists develop eco-friendly hydrogel for agriculture
Scientists of Tomsk Polytechnic University, in cooperation with the Czech colleagues have developed a new hydrogel for agriculture. It is meant to retain moisture and fertilizers in soil. The difference of the new hydrogel from other formulations is that it is made entirely of natural components and degrades in soil into nontoxic products to humans, animals, and plants. The research results are published in the Journal of Cleaner Production (IF: 7, 246; Q1). (2020-11-29)

Peel-off coating keeps desalination cleaner and greener
A polyelectrolyte coating enables clean seawater desalination systems without harmful chemicals. (2020-11-16)

This tableware made from sugarcane and bamboo breaks down in 60 days
Scientists have designed a set of 'green' tableware made from sugarcane and bamboo that doesn't sacrifice on convenience or functionality and could serve as a potential alternative to plastic cups and other disposable plastic containers, which can take as long as 450 years or require high temperatures to degrade. This non-toxic, eco-friendly material only takes 60 days to break down. This plastic alternative is presented November 12, 2020 in the journal Matter. (2020-11-12)

3D printed stents that treat inflammation
POSTECH Professor Dong-Woo Cho's research team develops bioink-loaded esophageal stents for treating radiation esophagitis. (2020-11-10)

Implantable sensor could measure bodily functions -- and then safely biodegrade
Sensors that monitor a patient's condition during and after medical procedures can be expensive, uncomfortable and even dangerous. Now, an international team of researchers has designed a highly sensitive flexible gas sensor that can be implanted in the body -- and, after it's no longer needed, safely biodegrade into materials that are absorbed by the body. (2020-11-09)

Leaf-cutter bees as plastic recyclers? Not a good idea, say scientists
Scientists have noted instances of leaf-cutter bees using plastic waste to construct their nests and one research group suggested such behavior could be an 'ecologically adaptive trait' and beneficial recycling effort. Utah State University scientist Joseph Wilson says no; such behavior is harmful to the bee's offspring. (2020-11-03)

Bioplastics no safer than other plastics
Bioplastics contain substances that are as toxic as those in ordinary plastics. (2020-10-23)

Results from host-reduce-polytech-ACS trial reported at TCT Connect
A randomized clinical trial found that drug-eluting stents (DES) with durable polymers are non-inferior to DES with biodegradable polymers in patients with acute coronary syndrome (ACS). Findings were reported today at TCT Connect, the 32nd annual scientific symposium of the Cardiovascular Research Foundation (CRF). TCT is the world's premier educational meeting specializing in interventional cardiovascular medicine. (2020-10-17)

Researchers develop a plant-based thermotherapy patch
A team of researchers at Tampere University, Finland, has developed a biodegradable, transparent, flexible and fast-acting thermotherapy patch from plant leaves. The patch is compatible with flexible electronic applications. Plant material was used to reduce the amount of electronic waste. (2020-10-15)

Glitter litter could be damaging rivers - study
New research indicates that glitter could be causing ecological damage to our rivers and lakes. (2020-10-14)

Microneedles for therapeutic gene delivery
Researchers develop a minimally invasive biodegradable microneedle patch as a novel delivery mode for gene therapy applications (2020-10-07)

Flexible and biodegradable electronic blood vessels
Researchers in China and Switzerland have developed electronic blood vessels that can be actively tuned to address subtle changes in the body after implantation. The blood vessels--made of a metal-polymer conductor membrane that's flexible and biodegradable--mimic natural blood vessels, were conductive in in vitro experiments, and were able to effectively replace key arteries in rabbits. The research appears October 1 in the journal Matter. (2020-10-01)

Metal-ion breakthrough leads to new biomaterials
Metals such as iron and calcium play a crucial role inside the human body, so it's no surprise that bioengineers would like to integrate them into the soft, stretchy materials used to repair skin, blood vessels, lungs and other tissue. (2020-09-30)

Chemists from RUDN University developed biodegradable antibacterial film for storing food
A team of chemists from RUDN University created an antibacterial coating for food products. The mixture consists of two components that are safe for human health and form a thin, non-toxic, and biodegradable film. The film has no color or flavor and can increase the shelf life of different products 2.5 to 8 times. (2020-09-25)

'Bandage' developed to rebuild broken bone
Researchers at King's College London have developed a material that allows transplantation of bone-forming stem cells into severe bone fractures and speeds up the healing process. (2020-09-21)

Anti-reflective coating inspired by fly eyes
The eyes of the fruit fly are covered by a thin and transparent coating with anti-reflective, anti-adhesive properties. Researchers from the University of Geneva and Lausanne discovered that the coating only consists of two ingredients: retinin and corneal wax. They succeeded in artificially reproducing the phenomenon on different kinds of surface. This process, which is very inexpensive and is based on biodegradable materials, could have numerous applications for contact lenses, medical implants and textiles. (2020-09-16)

Painless paper patch test for glucose levels uses microneedles
Researchers at The University of Tokyo have developed a microneedle patch for monitoring glucose levels using a paper sensor. The device painlessly monitors fluid in the skin within seconds. Anyone can use the disposable patch without training, making it highly practical. Additionally, fabrication is easy, low cost, and the glucose sensor can be swapped for other paper-based sensors that monitor other important biomarkers. (2020-09-14)

CityU develops anti-bacterial graphene face masks
A research team from City University of Hong Kong (CityU) has successfully produced laser-induced graphene masks with an anti-bacterial efficiency of 80%, which can be enhanced to almost 100% within 10 minutes under sunlight. Initial tests also showed very promising results in the deactivation of two species of coronaviruses. The graphene masks are easily produced at low cost, and can help to resolve the problems of sourcing raw materials and disposing of non-biodegradable masks. (2020-09-10)

New nanosystem from Tel Aviv university enhances treatment for melanoma in animal models
Researchers at Tel Aviv University, led by Prof. Ronit Satchi-Fainaro of TAU's Department of Physiology and Pharmacology at the Sackler School of Medicine, have developed an innovative nanotechnological drug delivery system that significantly enhances the effectiveness of treatment for the aggressive skin cancer melanoma. (2020-09-08)

Producing leather-like materials from fungi
Leather is used as a durable and flexible material in many aspects of everyday life including furniture and clothing. Leather substitutes derived from fungi are considered to be an ethical and environmentally friendly alternative to traditional bovine leather. (2020-09-07)

Fungus leather substitute could be eco-friendlier than animal and plastic kinds
''Promising'' fungal leather that looks and feels like traditional leather could be eco-friendlier and cheaper than animal and plastic versions. (2020-09-07)

Sunflower oil shows unexpected efficiency in corrosion prevention
Sunflower oil, which is found in almost every home, can be used not only in cooking, everyday life and cosmetology - it will help avoid complications (gas hydrates and corrosion) during oil and gas production. Scientists of the priority area of Kazan University intend to apply inhibitors developed on its basis in harsh Arctic conditions. (2020-08-28)

Magnesium alloy with eddy-thermal effect for novel tumor magnetic hyperthermia therapy
Magnetic hyperthermia therapy (MHT) as a noninvasive local treatment strategy is able to ablate tumors. There is still a demand to find new magnetocaloric agents with strong AMF-induced heating performance and excellent biocompatibility. The eddy thermal effect of magnesium alloy (MgA) could be employed for MHT to effectively ablate tumors was reported by scientists based in China. Considering the wide clinical use of implantable MgA devices, such a strategy holds great promise in clinical translation. (2020-08-10)

New science behind algae-based flip-flops
Sustainable flip-flops: A team of UC San Diego researchers has formulated polyurethane foams made from algae oil to meet commercial specifications for midsole shoes and the foot-bed of flip-flops. The results of their study are published in Bioresource Technology Reports and describe the team's successful development of these sustainable, consumer-ready and biodegradable materials. (2020-08-06)

Soft robot actuators heal themselves
Repeated activity wears on soft robotic actuators, but these machine's moving parts need to be reliable and easily fixed. Now a team of researchers has a biosynthetic polymer, patterned after squid ring teeth, that is self-healing and biodegradable, creating a material not only good for actuators, but also for hazmat suits and other applications where tiny holes could cause a danger. (2020-07-27)

Army project turns to nature for help with self-healing material
An Army-funded project developed a self-healing material patterned after squid ring teeth protein. The biodegradable biosynthetic polymer could be used to repair materials that are under continual repetitive movement such as robotic machines, prosthetic legs, ventilators and personal protective equipment like hazmat suits. (2020-07-27)

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